Horse-power



(No Model.) 2 Sheets-Sheet 1.

W. M. MILROY.

HORSE POWER.

No. 415,215. Patented Nov. 19, 1889.

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WILL/HM M.MILROY r g 331 death 4mm (No Model.) 2 Sheets-Sheet 2.

v W. M. MILROY.

HORSE POWER.

5- Patented Nov. 19, 1889. W 4:2 a

Ii IIIIIIIIIIIIIIIIJHIV 71 I u, "gun Wiimoooea "g f z gmue/wfoz 212 w 8WILLIAM M-MILROY UNITED STATES PATENT OFFICE.

IVILLIAM M. MILROY, OF BALTIMORE, MARYLAND.

HORSE-POWER.

SPECIFICATION forming part of Letters Patent No. 415,215, dated November19, 1889.

Application filed July 29, 1889. $erial No. 319,055. (No model.)

To all whom it may concern.-

Be it known that I, WILLIAM M. l\IILROY,'

a citizen of the United States, and a resident of Baltimore, in theState of Maryland, have invented a new and useful Improvement in-Horse-Powers, of which the following is a specification.

and claimed.

The primary object of the invention is the.

production of simple and inexpensive horsepower apparatus adapted to bereadily at tached to and to coact with a fixed upright wooden post, andespecially with the kingpost of a style of barns common in some sections of the country. The objects of its respective combinations are,first, to provide the master-wheel with a steady frictionless bearingrequiring very little lubrication; second, to so construct said bearingas to facilitate assembling the parts or their separation, shouldoccasion arise third, to guard the spur-gearing against injury toattendants and against accidental obstruction, and, fourth, tofacilitate safely attaching a shield to the supporting-post for thepurposes last named.

Two sheets of drawings accompany this specification as part thereof.

Figure 1 of the drawings is an elevation of a horse-power constructedaccording to this invention. Fig. 2 is a plan of the parts at and belowthe section-line 2 2, Fig. 1. Fig. 3 is a sectional perspective viewshowing details of the shield-attaching devices. Fig. 4 represents ahalf-plan of the parts at and below the section-line 4, Fig. 1. Fig. 5represents a vertical section of the same portion of the apparatus 011the line 5 5, Fig. I. Fig. 6 represents an elevation of the bearing partbefore the master-wheel is lowered into position thereon; and Figs. 7and 8 represent inverted plans of the bearing part and of the masterwheel, respectively, illustrating a modification. Figs. 3 to 6,inclusive, are enlarged three diameters from Figs. 1 and 2.

Like letters of reference indicate corresponding parts in the severalfigures.

In carrying this invention into efiect I provide a fixed upright woodenpost A with a cast-iron bearing part B, having an angular bore, andwhich may be conveniently cast in two or three sizes as to this bore,which is tightly fitted to the post by hewing the sides of the latter,if need be. Said bearing part B is constructed with a lower portion a,0011- formed to the bore, and provided with screwholes, through whichscrews 3, Figs. 5 and 6, are driven horizontally into the post, so as tofasten the bearing part securely in its position. A circumferentialhorizontal trackflange b is next above said portion a, and at top thereis a cylindrical portion 0. The periphery of the latter is recessed atthree or more points, preferably four, for the reception ofanti-friction rollers r, w ich project slightly beyond its circle, andhe bearing part is drilled vertically at coincident points for thereception of spindle-rods the horizontal upper ends of which carry asecond set of rollers 0- while their lower ends are screw-threaded andprovided with adjusting nuts or below the flange b. The spindle-rodspass through and pivot said rollers 7' as well as said rollers 4 andordinarily an occasional lubrication of these rods will suffice for thewhole of the bearing part. Notched bolsters b are formed on the upperend of the bearing part B to coact with said upper ends of thespindle-rods s in their effective positions, as shown in Figs. 4 and 5.When the nuts 11 are turned back, the spindle-rods are readi ydisengaged from the bolsters b so as to throw their rollers 1' withinthe circle of the bearing portion 0, as shown in Fig. 6.

With the bearing part made ready, as shown in Fig. 6, a master-wheel Cis lowered into position thereon, the bore and upper end of its hub atbeing adapted to coact with said rollers r and r respectively, when thelatter are turn ed into position above it and drawn down by the nutsn,which is readily effected. The master-wheel is thus kept in place. Thelower end of its hub d is recessed and provided within its recesses withrollers r Figs. 4: and 5, whichv coact with thetop of the track-flangeb. The spindles 5 Fig. 5, of said rollers r may be lubricated, shouldthey require it, by applying oil to the sides of the rollers, so as tobe carried up to the spindles, or in any approved way.

The bottom of the master-wheel C is pro- V band-pulley as, for example,from which.

vided with one or more, and preferably two, radial sockets e adjoiningits hub d, and with stirrups f in line therewith, the latterprovidedwith horizontal holes at different heights for the reception ofthe inner ends of draftlevers or sweeps D and of pins 19, whereby thesweeps are removably fastened in place with a convenient provision forraising or,

lowering their outer ends to suit the horses.

Spur-gearing for transmitting motion from the master-wheel 0 preferablycomprises internal teeth t, formed in the master-wheel at 'top, so thatits rim is smooth, and each tooth may be united with the body of thewheel at end and bottom. The bottoms of the corresponding interdentalspaces are beveled, as shown in Fig. 5, so as not to accumulate dust. Aspur-wheel it, fast on the lower end of a vertical shaft E, meshes withsaid internal teeth of the master-wheel, and the upper end of said shaftis connected by bevel-gears o to with a horizontal shaft F, whichcarries a power may be readily taken for any purpose for which it may beneeded and suited. Such transmitting-shafts E F are convenientlysupported by strap-bearings y 2, two

patterns of which may suffice, the same tobe made of wrought-iron andperforated for screws, which are driven therethrough into the post A andan overhead beam H, to coincident corners of which the respectivebearings are fitted, as indicated in Fig. 4. Brasses b may be embracedby the respective strapbearings, as indicated in Fig. 4, andsupplemental collars c, Fig. 1, may coact therewith as thrust-shoulderswhere gear-hubs cannot be so utilized.

A shield I, Figs. 1, 2, and 3, surrounds the post A immediately abovethe master-wheel to mask the main gearing. With peripheral or crownteeth on the master-wheel a shield of greater diameter and with adepending marginal rim would be'required. In connection with theinternally-toothed master-wheel having a smooth rim, as aforesaid, asuperposed shield of no greater diameter than the masterwheel suffices.This shield is conveniently formed in four sheet-metal sections attachedto the post by hooks h and tie-rods and staples 11 71 the stems of thehooks h and the staples i being driven into the several sides of thepost, While the shield-sections have the said rods coupled to them andare provided with holes h, fitted to pivoted heads M, Fig. 3, on thehooks h, so that said heads pass through said holes in one position andfasten the shield-sections in place by being turned at right angles, asillustrated by Fig. 3. A pair of such hooks to each shield-section keepthe same from tilting, and thus'keep the joints in theshieldsufficientlyclose, while the shield is very readily attached andremoved at will.

The whole of the apparatus is designed to be put together and used withthe aid of simple instructions by ordinary farm-laborers,

in place, as in Fig. 6.

and is epecially intended, as aforesaid, for use in barns where aking-post supported at bottom on a flat stone 3, Fig. 1,is adapted toserve as the said post A and the main crossbeam which rests thereon willserve as the said overhead beam H. -By propping the latter, removing thestone 3, and excavating a very little,if need be, under the kin g-post,the

may be slipped under the post and lifted upward around the same, theformer being then propped up until the bearing part is fastened Thestone 8 having been replaced and the props of the overhead beam removed,the weight of the superposed beam and floor, with the load on thelatter, keeps the post A in its upright position with ample security.

For use where it is not convenient or is not considered safe to getbeneath the post sectional bearing parts B and master-wheels (1 may beconstructed as illustrated by Figs. 7 and 8. In each of these figures, jrepresents a diametral joint tightened by screw-bolts in an ordinaryway. I

Details which have not been specified may be of any approveddescription, and I do not limit my several claims to details which arenot stated in them respectively.

Having thus described the said horse-power, I claim as my invention anddesire to patent under this specification- 1. In combination with afixed upright wooden post and the master-wheel of a horsepowersurrounding the same and having the bottom of its hub provided withanti-friction rollers, an interposed bearing part having a bore fittedto the post, a perforated lower portion through which screws are driveninto the post, and a circumferential track-flange above said perforatedportion and provided with anti-friction rollers within and above the hubof the master-wheel, those on the bottom of the latter coacting withsaid track-flange, substantially as hereinbefore specified.

2. In combination with a fixed upright post and a master-wheelsurrounding the same, an interposed bearing part made fast on the postand having its upright portion provided with peripheral rollers t0 coactwith the bore of the hub of the master-wheel, rollers at top to coaetwith the top of the hub, spindle-rods common to both sets of rollers,having horizontal upper ends and screw-threaded lower ends, notchedbolsters which engage with said upper ends in their working positions,and screw-nuts on said lower ends of the spindlerods, substantially ashereinbefore specified.

3; In combination with a fixed upright post, a master-wheel, itsbearing, and asuperposed shield surrounding the post and supportedthereby, and spur-gearing for transmitting motion'from the master-wheel,said masterwheel being constructed with internal teeth at top as part ofsaid gearing and having a smooth rim, whereby a shield of no greaterdiameter than the master-wheel suffices to 75 master-wheel O and thenthe bearing part B"

